diff --git a/article_maker.cc b/article_maker.cc
index b27c53fd..d93273f6 100644
--- a/article_maker.cc
+++ b/article_maker.cc
@@ -429,9 +429,10 @@ ArticleRequest::ArticleRequest(
   data.resize( header.size() );
   memcpy( &data.front(), header.data(), header.size() );
 
-  // Accumulate main forms
+  //clear founded dicts.
   emit GlobalBroadcaster::instance()->dictionaryClear( ActiveDictIds{word} );
 
+  // Accumulate main forms
   for( unsigned x = 0; x < activeDicts.size(); ++x )
   {
     sptr< Dictionary::WordSearchRequest > s = activeDicts[ x ]->findHeadwordsForSynonym( gd::toWString( word ) );
diff --git a/articleview.cc b/articleview.cc
index 4766d413..b1f4cd53 100644
--- a/articleview.cc
+++ b/articleview.cc
@@ -401,6 +401,7 @@ void ArticleView::showDefinition( Config::InputPhrase const & phrase, unsigned g
                                   Contexts const & contexts_ )
 {
   currentWord = phrase.phrase.trimmed();
+  historyMode = false;
   currentActiveDictIds.clear();
   // first, let's stop the player
   audioPlayer->stop();
@@ -484,6 +485,7 @@ void ArticleView::showDefinition( QString const & word, QStringList const & dict
   if( dictIDs.isEmpty() )
     return;
   currentWord = word.trimmed();
+  historyMode = false;
   // first, let's stop the player
   audioPlayer->stop();
 
@@ -1623,6 +1625,8 @@ void ArticleView::back()
   if ( canGoBack() )
   {
     saveHistoryUserData();
+    currentActiveDictIds.clear();
+    historyMode = true;
     ui.definition->back();
   }
 }
@@ -1630,6 +1634,8 @@ void ArticleView::back()
 void ArticleView::forward()
 {
   saveHistoryUserData();
+  currentActiveDictIds.clear();
+  historyMode = true;
   ui.definition->forward();
 }
 
@@ -2619,7 +2625,7 @@ void ArticleView::highlightAllFtsOccurences( QWebEnginePage::FindFlags flags )
 }
 
 void ArticleView::setActiveDictIds(ActiveDictIds ad) {
-  if (ad.word == currentWord) {
+  if (ad.word == currentWord || historyMode) {
     // ignore all other signals.
     qDebug() << "receive dicts, current word:" << currentWord << ad.word << ":" << ad.dictIds;
     currentActiveDictIds << ad.dictIds;
@@ -2712,10 +2718,6 @@ void ArticleView::performFtsFindOperation( bool backwards )
 #endif
 
   ui.ftsSearchStatusLabel->setText( searchStatusMessage( ftsPosition + 1, allMatches.size() ) );
-  // Store new highlighted selection
-  // ui.definition->page()->
-  //        runJavaScript( QString( "%1=window.getSelection().getRangeAt(0);_=0;" )
-  //                            .arg( rangeVarName ) );
 }
 
 void ArticleView::on_ftsSearchPrevious_clicked()
diff --git a/articleview.hh b/articleview.hh
index c4131053..32f5b9b3 100644
--- a/articleview.hh
+++ b/articleview.hh
@@ -70,6 +70,8 @@ class ArticleView: public QFrame
   /// current active dict id list;
   QStringList currentActiveDictIds;
 
+  bool historyMode=false;
+
   //current active dictionary id;
   QString activeDictId;